"Intoxicating . . . it will be hard for young readers to put down."—New York Times Book Review
"A grand, giddy, and, at times, literally soaring tale."—Kirkus Reviews (starred review)
"An amusing, fast-paced tale of land, sky, and spies."—Publishers Weekly (starred review)
"Incredibly creative. . . . A little bit of history, a touch of mystery, and heaps...